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| 2. |  | LARA, M. A. C. Uso de marcadores moleculares como ferramenta para a conservação de raças. In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 18.; CONGRESSO INTERNACIONAL DE ZOOTECNIA, 10.; SIMPÓSIO PARAIBANO DE ZOOTECNIA, 6.; FORÚM DE COORDENADORES DE CURSOS DE ZOOTECNIA DAS UNIVERSIDADES BRASILEIRAS, 4.; FORÚM DE ESTUDANTES DE CURSOS DE ZOOTECNIA DAS UNIVERSIDADES BRASILEIRAS, 4.; REUNIÃO NACIONAL DE ENSINO DE ZOOTECNIA, 14.; FORÚM DE ENTIDADES DE ZOOTECNISTAS, 31.; MOSTRA DE RAÇAS DE CAPRINOS E OVINOS NATIVOS, 3.; SEMANA DA CAPRINOCULTURA E DA OVINOCULTURA BRASILEIRAS, 6., 2008, João Pessoa. Anais... João Pessoa: Associação Brasileira de Zootecnia: Embrapa Caprinos; UFPB, 2008. 8 f. 1 CD-ROM.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 14. | | ABREU, U. G. P. de; EGITO, A. A.; GRATTAPAGLIA, D.; LARA, M. A. C. Variabilidade genética das matrizes do núcleo de conservação do bovino pantaneiro avaliada por meio do índice prioritário para conservação e polimorfismos protéicos. In: SIMPÓSIO DE RECURSOS GENÉTICOS PARA AMÉRICA LATINA Y EL CARIBE, SIRGEALC, 6., 2007, Chapingo, México. Por la valoración de los recursos genéticos para el desarrollo sustentable en América Latina y el Caribe: memoria. Chapingo: Universidad Autónoma Chapingo, 2007. p. 327| Biblioteca(s): Embrapa Pantanal. |
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| 15. | | ABREU, U. G. P.; EGITO, A. A.; SANTOS, S. A.; GRATTAPAGLIA, D.; LARA, M. A. C. Variabilidade genética das matrizes do núcleo de conservação do bovino pantaneiro avaliada por meio do índice prioritário para conservação e polimorfismos proteícos. In: SIMPÓSIO DE RECURSOS GENÉTICOS PARA AMÉRICA LATINA Y EL CARIBE, SIRGEALC, 6., 2007, Chapingo, México. Por la valoración de los recursos genéticos para el desarrollo sustentable en América Latina y el Caribe: memoria. Chapingo: Universidad Autónoma Chapingo, 2007. p. 353| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 17. | | ABREU, U. G. P. de; COBUCI, J. A.; PIMENTEL, C. M.; SERENO, J. R. B.; LARA, M. A. C. Analise da curva de crescimento da raca de bovino pantaneiro. In: SIMPOSIO DE RECURSOS GENETICOS PARA A AMERICA LATINA E CARIBE - SIRGEALC, 3.; REUNIAO LATINO AMERICANA DE ESPECIALISTAS EM ARACHIS, 3.; REUNIAO LATINO AMERICANA DE ESPECIALISTAS EM RECURSOS GENETICOS FLORESTAIS, 3., 2001, Londrina. Anais... Londrina: IAPAR, 2001. p.465-467.| Biblioteca(s): Embrapa Pantanal. |
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| 18. | | ABREU, U. G. P. de; McMANUS, C.; MORENO-BERNAL, F.E.; LARA, M. A. C.; SERENO, J. R. B. Factors influencing birth and 205 day weights of pantaneiro calves. In: GLOBAL CONFERENCE ON CONSERVATION OF DOMESTIC ANIMAL GENETIC RESOURCES, 5., 2000, Brasilia. Proceedings... Brasilia: Embrapa Genetic Resources and Biotechnology, 2000. CD-ROM. (Embrapa Genetic Resources and Biotechnology. Document, 49). (P-08).| Biblioteca(s): Embrapa Pantanal. |
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Registro Completo
|
Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
23/10/2002 |
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Data da última atualização: |
13/03/2017 |
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Autoria: |
ABREU, U. G. P.; McMANUS, C.; MORENO-BERNAL, F.E.; LARA, M. A. C.; SERENO, J. R. B. |
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Afiliação: |
Embrapa Pantanal (Corumbá, MS); UnB/FAV (Brasília, DF); IZ/SAA (Nova Odessa, SP). |
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Título: |
Genetic and environmental factors influencing birth and 205 day weights of Pantaneiro calves. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Archivos de Zootecnia, Cordoba, v.51, n.193/194, p.83-89, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
The present work analyses the growth of calves of the conservation nucleus for Pantanei-
ro cattle of EMBRAPA Pantanal. Birth and weaning data was available on 171 Pantaneiro calves born between 1996 and 1999. Calves were born from August to December, and
raised in the extensive system using native pastures at the Nhumirim farm, situate in the
Nhecolandia sub-region. The data was analyzed using GLM and CORR procedures of SAS and MTDFREML for analysis of variance components. Year of calving and calf sex was significant for all traits examined. Birth weight for males was 27.08 kg compared with
25.37 kg for females while weaning weights were 116.12 and 112.24 kg respectively. The year effect varied but the trend observed is that of an increase in both birth and weaning
weight with time. Month of birth did not affect birth nor uncorrected weaning weight, alth-
ough a trend was observed whereby calves born later in the season were heavier. With
205 day weight the effect of month was marked, with calves born in August being almost
25 kg heavier than those born in December (124.98 kg vs 99.23 kg) even after correc- tion. Heritability for birth weight is very low while repeatability is a little higher. This study
shows that there is little genetic variation available for use in selection for birth or weaning
traits in Pantaneiro cattle in Brazil. Controlled breeding policies whereby related individuals
are not mated to each other are important to increase the variation for these characteris-
tics. MenosThe present work analyses the growth of calves of the conservation nucleus for Pantanei-
ro cattle of EMBRAPA Pantanal. Birth and weaning data was available on 171 Pantaneiro calves born between 1996 and 1999. Calves were born from August to December, and
raised in the extensive system using native pastures at the Nhumirim farm, situate in the
Nhecolandia sub-region. The data was analyzed using GLM and CORR procedures of SAS and MTDFREML for analysis of variance components. Year of calving and calf sex was significant for all traits examined. Birth weight for males was 27.08 kg compared with
25.37 kg for females while weaning weights were 116.12 and 112.24 kg respectively. The year effect varied but the trend observed is that of an increase in both birth and weaning
weight with time. Month of birth did not affect birth nor uncorrected weaning weight, alth-
ough a trend was observed whereby calves born later in the season were heavier. With
205 day weight the effect of month was marked, with calves born in August being almost
25 kg heavier than those born in December (124.98 kg vs 99.23 kg) even after correc- tion. Heritability for birth weight is very low while repeatability is a little higher. This study
shows that there is little genetic variation available for use in selection for birth or weaning
traits in Pantaneiro cattle in Brazil. Controlled breeding policies whereby related individuals
are not mated to each other are important to increase the variation for these ... Mostrar Tudo |
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Palavras-Chave: |
Bezerro pantaneiro; Correlacao genetica; Efeito ambiental; Environmental effects; Genetic correlations; Herdabilidade; Herdability; Pantaneiro calves. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02298naa a2200265 a 4500
001 1810422
005 2017-03-13
008 2002 bl --- 0-- u #d
100 1 $aABREU, U. G. P.
245 $aGenetic and environmental factors influencing birth and 205 day weights of Pantaneiro calves.
260 $c2002
520 $aThe present work analyses the growth of calves of the conservation nucleus for Pantanei- ro cattle of EMBRAPA Pantanal. Birth and weaning data was available on 171 Pantaneiro calves born between 1996 and 1999. Calves were born from August to December, and raised in the extensive system using native pastures at the Nhumirim farm, situate in the Nhecolandia sub-region. The data was analyzed using GLM and CORR procedures of SAS and MTDFREML for analysis of variance components. Year of calving and calf sex was significant for all traits examined. Birth weight for males was 27.08 kg compared with 25.37 kg for females while weaning weights were 116.12 and 112.24 kg respectively. The year effect varied but the trend observed is that of an increase in both birth and weaning weight with time. Month of birth did not affect birth nor uncorrected weaning weight, alth- ough a trend was observed whereby calves born later in the season were heavier. With 205 day weight the effect of month was marked, with calves born in August being almost 25 kg heavier than those born in December (124.98 kg vs 99.23 kg) even after correc- tion. Heritability for birth weight is very low while repeatability is a little higher. This study shows that there is little genetic variation available for use in selection for birth or weaning traits in Pantaneiro cattle in Brazil. Controlled breeding policies whereby related individuals are not mated to each other are important to increase the variation for these characteris- tics.
653 $aBezerro pantaneiro
653 $aCorrelacao genetica
653 $aEfeito ambiental
653 $aEnvironmental effects
653 $aGenetic correlations
653 $aHerdabilidade
653 $aHerdability
653 $aPantaneiro calves
700 1 $aMcMANUS, C.
700 1 $aMORENO-BERNAL, F.E.
700 1 $aLARA, M. A. C.
700 1 $aSERENO, J. R. B.
773 $tArchivos de Zootecnia, Cordoba$gv.51, n.193/194, p.83-89, 2002.
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